mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 15:17:07 +00:00
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "platform/assert.h"
|
|
#include "vm/scavenger.h"
|
|
#include "vm/unit_test.h"
|
|
#include "vm/visitor.h"
|
|
|
|
namespace dart {
|
|
|
|
// Expects to visit no objects (since the space should be empty).
|
|
class FailingObjectVisitor : public ObjectVisitor {
|
|
public:
|
|
FailingObjectVisitor() { }
|
|
virtual void VisitObject(RawObject* obj) {
|
|
EXPECT(false);
|
|
}
|
|
};
|
|
|
|
// Expects to visit no objects (since the space should be empty).
|
|
class FailingObjectPointerVisitor : public ObjectPointerVisitor {
|
|
public:
|
|
FailingObjectPointerVisitor() : ObjectPointerVisitor(NULL) {}
|
|
virtual void VisitPointers(RawObject** first, RawObject** last) {
|
|
EXPECT(false);
|
|
}
|
|
};
|
|
|
|
// Expects to visit no objects (since the space should be empty).
|
|
class FailingFindObjectVisitor : public FindObjectVisitor {
|
|
public:
|
|
FailingFindObjectVisitor() { }
|
|
virtual bool FindObject(RawObject* obj) const {
|
|
EXPECT(false);
|
|
return false;
|
|
}
|
|
};
|
|
|
|
TEST_CASE(ZeroSizeScavenger) {
|
|
Scavenger* scavenger = new Scavenger(NULL, 0, kNewObjectAlignmentOffset);
|
|
EXPECT(!scavenger->Contains(reinterpret_cast<uword>(&scavenger)));
|
|
EXPECT_EQ(0, scavenger->UsedInWords());
|
|
EXPECT_EQ(0, scavenger->CapacityInWords());
|
|
EXPECT_EQ(static_cast<uword>(0), scavenger->TryAllocate(kObjectAlignment));
|
|
FailingObjectVisitor obj_visitor;
|
|
scavenger->VisitObjects(&obj_visitor);
|
|
FailingObjectPointerVisitor ptr_visitor;
|
|
scavenger->VisitObjectPointers(&ptr_visitor);
|
|
FailingFindObjectVisitor find_visitor;
|
|
scavenger->FindObject(&find_visitor);
|
|
delete scavenger;
|
|
}
|
|
|
|
} // namespace dart
|